var tabs=document.getElementsByClassName('tab-head-div');
var divs=document.getElementsByClassName('tab-body-div');
for (var i=0;i<tabs.length;i++){
	tabs[i].onmouseover=function(){
		for (var j=0;j<divs.length;j++) {
			if (this==tabs[j]) {
				tabs[j].classList.add('current');
				divs[j].classList.add('current');
			} else{
				tabs[j].classList.remove('current');
				divs[j].classList.remove('curremt');
			}
		}
	};
}
